why the wheel is round muscles technology and how we make things move

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Why The Wheel Is Round

Author : Steven Vogel
ISBN : 9780226381176
Genre : Science
File Size : 50. 5 MB
Format : PDF
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There is no part of our bodies that fully rotates—be it a wrist or ankle or arm in a shoulder socket, we are made to twist only so far. And yet there is no more fundamental human invention than the wheel—a rotational mechanism that accomplishes what our physical form cannot. Throughout history, humans have developed technologies powered by human strength, complementing the physical abilities we have while overcoming our weaknesses. Providing a unique history of the wheel and other rotational devices—like cranks, cranes, carts, and capstans—Why the Wheel Is Round examines the contraptions and tricks we have devised in order to more efficiently move—and move through—the physical world. Steven Vogel combines his engineering expertise with his remarkable curiosity about how things work to explore how wheels and other mechanisms were, until very recently, powered by the push and pull of the muscles and skeletal systems of humans and other animals. Why the Wheel Is Round explores all manner of treadwheels, hand-spikes, gears, and more, as well as how these technologies diversified into such things as hand-held drills and hurdy-gurdies. Surprisingly, a number of these devices can be built out of everyday components and materials, and Vogel’s accessible and expansive book includes instructions and models so that inspired readers can even attempt to make their own muscle-powered technologies, like trebuchets and ballista. Appealing to anyone fascinated by the history of mechanics and technology as well as to hobbyists with home workshops, Why the Wheel Is Round offers a captivating exploration of our common technological heritage based on the simple concept of rotation. From our leg muscles powering the gears of a bicycle to our hands manipulating a mouse on a roller ball, it will be impossible to overlook the amazing feats of innovation behind our daily devices.

The Imperial Dictionary English Technological And Scientific

Author : John Ogilvie
ISBN : HARVARD:HN61IK
Genre :
File Size : 30. 54 MB
Format : PDF, ePub
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Popular Science

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ISBN :
Genre :
File Size : 88. 80 MB
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Popular Science gives our readers the information and tools to improve their technology and their world. The core belief that Popular Science and our readers share: The future is going to be better, and science and technology are the driving forces that will help make it better.

The Imperial Dictionary English Technological And Scientific

Author : John Ogilvie
ISBN : CHI:18112542
Genre : English language
File Size : 68. 9 MB
Format : PDF
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The Imperial Dictionary

Author : John Ogilvie
ISBN : UIUC:30112069828819
Genre :
File Size : 21. 67 MB
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Velo News

Author :
ISBN : UCSC:32106019438586
Genre : Cycling
File Size : 73. 67 MB
Format : PDF, ePub
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Autocar Motor

Author :
ISBN : UOM:39015018253131
Genre : Automobiles
File Size : 72. 11 MB
Format : PDF, ePub
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Flying Magazine

Author :
ISBN :
Genre :
File Size : 89. 11 MB
Format : PDF, ePub
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El Hi Textbooks Serials In Print 2000

Author :
ISBN : 0835242722
Genre : Periodicals
File Size : 26. 72 MB
Format : PDF, Kindle
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The New Dawn

Author :
ISBN : SRLF:A0001495225
Genre : Great Britain
File Size : 24. 50 MB
Format : PDF
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